package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShopCartMapper {

    /**
     * 动态查询
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据ID修改商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNunberById(ShoppingCart shoppingCart);

    /**
     * 添加商品到购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name,user_id,dish_id,setmeal_id,dish_flavor ,number, amount, image, create_time)" +
            "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车列表
     * @return
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 删除购物车商品
     * @param shoppingCart1
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void delete(ShoppingCart shoppingCart1);
}
